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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1853 (Instrument Cluster System And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Principles of Operation >> Dimmable Illumination

Dimmable Illumination

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

With the parking lamps on, voltage is supplied to the instrument panel dimmer switch (part of the headlamp switch). The instrument panel dimmer switch then sends a variable pulse width modulated (PWM) voltage to the instrument cluster and other dimmable switches and components.

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